import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodList from '../components/goods/List.vue'
import GoodAdd from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const routes = [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
       path: '/home',
       component: Home,
       redirect: '/welcome',
       children: [
           { path: '/welcome', component: Welcome },
           { path: '/users', component: Users },
           { path: '/rights', component: Rights },
           { path: '/roles', component: Roles },
           { path: '/categories', component: Cate },
           { path: '/params', component: Params },
           { path: '/goods', component: GoodList },
           { path: '/goods/add', component: GoodAdd },
           { path: '/orders', component: Order },
           { path: '/reports', component: Report }
        ]
    }
]

const router = new Router({
    routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数 表示放行
    // next() 放行     next('/login') 强制跳转

    if (to.path === '/login') return next()
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router
